Model: 11387B

Valve Seat

Properties:

Thread Class
2a single threaded portion
Flange Diameter
5.250 inches
Body Inside Diameter
3.500 inches
Flange Seat To Disk End Height
1.000 inches
Under Flange Height
0.500 inches
Seat Angle In Deg
45.000
Thready Qty Per Inch (tpi)
12 single threaded portion
Thread Size
4.250 inches single threaded portion
Seating Surface Shape
Angular
Material
Copper alloy
Style Designator
Threaded flanged
Thread Series Designator
Un single threaded portion
NSN
4820-00-620-7370
Part Number
11387B
Description
Seat,valve
CAGE
04537

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

Part 11387B NSN 4820-00-620-7370

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22113
FIIG:
A15500
Concept No.:
App. Key:
A
Cond. Code:
2
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

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Schedule B and Export
  • Schedule B: 8481909090
  • SITC: 74790
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Parts of taps, cocks, valves and similar appliances, nesoi

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